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Single Family ResidenceResidential
$858,139$633 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $875,000 on Sep 10, 2025

3521 OSAGE ST

DENVER, CO 80211
4
Beds
2
Baths
1,355 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
3,120 ft²
Lot SizeThe size of the land the home sits on, from county records.
1896
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$858K
$761K low$955K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$875,000 · Sep 10, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,452 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$71,270 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$42,050
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$42,050
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$63,820
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,010,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.37
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
76
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
19
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
44
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDENVER
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2017
Lot (acres)The size of the land the home sits on, from county records.0.07
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 400 ft²Patio · 400 ft²Porch · 293 ft²

Transaction History(12)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Bryant Webster Dual Language ECE-8 SchoolC-
Middle · Grades 6–8 · 0.2 mi
E
Trevista at Horace MannB-
Elementary · Grades EE–5 · 0.5 mi
H
North High SchoolB-
High · Grades 9–12 · 1.0 mi

District: Denver County School District 1

Neighborhood · ZIP 80211These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.46%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.38,847
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,477 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,679
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,289
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.69%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

3521 Osage St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 80% of homes in Denver County
  • Costs more per square foot than 95% of homes in Denver County
  • Has a smaller lot than 69% of homes in Denver County
  • Older than 96% of homes in Denver County

What homes are worth in Denver 80211

Each bar is how many homes fall in that price range. The marker is this home.

This home
$336K$1.6M

This home is worth more than 72% of homes in Denver 80211.

How it measures up in Denver 80211

The dot is this home. The mark in the middle is the typical home in Denver 80211.

Estimated value$858,139
CheaperTypical $700,380Pricier

Pricier than 72% of homes nearby

Price per ft²$633
CheaperTypical $474Pricier

Pricier than 89% of homes nearby

Living area1,355 ft²
SmallerTypical 1,510 ft²Bigger

Bigger than 41% of homes nearby

Lot size3,120 ft²
SmallerTypical 4,225 ft²Bigger

Bigger than 33% of homes nearby

Year built1896
OlderTypical 1934Newer

Newer than 13% of homes nearby

How 3521 Osage St ranks against every home in each area.
MeasureThis homeHighlandDenver 80211Denver County
Estimated valuepricier than$858,13964% of homes72% of homes80% of homes
Price per ft²pricier than$63383% of homes89% of homes95% of homes
Living areabigger than1,355 ft²43% of homes41% of homes41% of homes
Lot sizebigger than3,120 ft²54% of homes33% of homes31% of homes
Year builtnewer than189620% of homes13% of homes4% of homes

About 3521 Osage St

How much is 3521 Osage St, Denver, CO worth?

The TopHap Estimate for 3521 Osage St, Denver, CO is $858,139 as of Aug 30, 2026. The likely range is $761,261 to $955,017. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3521 Osage St, Denver, CO last sell?

3521 Osage St, Denver, CO last sold on Sep 10, 2025 for $875,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 3521 Osage St, Denver, CO?

3521 Osage St, Denver, CO has 4 bedrooms, 2 bathrooms, 1,355 square feet of living space and a 0.07-acre lot.

When was 3521 Osage St, Denver, CO built?

3521 Osage St, Denver, CO was built in 1896, making it 130 years old. The building has 1 story.

What schools serve 3521 Osage St, Denver, CO?

3521 Osage St, Denver, CO is assigned to Bryant Webster Dual Language ECE-8 School (middle), rated C-; Trevista at Horace Mann (elementary), rated B-; North High School (high), rated B-. All sit in Denver County School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3521 Osage St, Denver, CO compare to other homes in Denver 80211?

Among the 13,745 homes in Denver 80211, it is worth more than 72% of them ($858,139 against a typical $700,380), its price per square foot is higher than 89% of them ($633 against a typical $474), it is bigger than 41% of them (1,355 ft² against a typical 1,510 ft²), its lot is bigger than 33% of them (3,120 ft² against a typical 4,225 ft²) and it is newer than 13% of them (1896 against a typical 1934). Measured against all of Denver County, it is worth more than 80% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3521 Osage St, Denver, CO?

The 2025 property tax bill for 3521 Osage St, Denver, CO was $5,452. The county assessed it at $71,270.

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